High severity7.3NVD Advisory· Published Apr 12, 2022· Updated Jun 17, 2026
CVE-2022-21803
CVE-2022-21803
Description
This affects the package nconf before 0.11.4. When using the memory engine, it is possible to store a nested JSON representation of the configuration. The .set() function, that is responsible for setting the configuration properties, is vulnerable to Prototype Pollution. By providing a crafted property, it is possible to modify the properties on the Object.prototype.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
nconfnpm | < 0.11.4 | 0.11.4 |
Affected products
2- nconf/nconfdescription
Patches
Vulnerability mechanics
References
6- github.com/indexzero/nconf/pull/397nvdIssue TrackingPatchThird Party AdvisoryWEB
- snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2632450nvdExploitThird Party Advisory
- snyk.io/vuln/SNYK-JS-NCONF-2395478nvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-6xwr-q98w-rvg7ghsaADVISORY
- github.com/indexzero/nconf/releases/tag/v0.11.4nvdRelease NotesThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2022-21803ghsaADVISORY
News mentions
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